| 释义 | genus IchthyostegaThesaurus
 | Noun | 1.genus Ichthyostega - second earliest fossil amphibian ever found; of the Devonian; found in Greenlandamphibia, class Amphibia - the class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caeciliansamphibian genus - any genus of amphibiansIchyostega - early tetrapod amphibian found in Greenland | 
 genus Ichthyostega
 Words related to genus Ichthyosteganoun second earliest fossil amphibian ever foundRelated Wordsamphibiaclass Amphibiaamphibian genusIchyostega
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